Page:United States Statutes at Large Volume 49 Part 2.djvu/599

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TELECOMMUNICATION CONVENTION. DECEMBER 9,1932. 2615 APPENDIX 7 Service Symbols [See articles 15 and 19, AI (6) (a)] )cS( station on board a warship or a war aircraft b. radio direction finder on board a mobile station • station classified among those located in 0. heavy traffic region for which traffic on 500 kc (600 m) is limited in accordance with article 19, §1, (6), (a) D 30° directive antenna having maximum radiation in the direction of 30° (expressed in degrees from the true north, from 0 to 360 clockwise) DR directive antenna provided with a reflector FA aeronautical station FC coast station FR receiving station only, connected with the general network of telecommunication channels FS land station established solely for the safety of life FX station carrying on radio-communication service, between fixed points H 24 station having a continuous day and night service H 16 ship station of the second category carrying on 16 hours of service H 8 ship station of the second category carrying on 8 hours of service HJ station open from sunrise to sunset (day service) HX station having no specific working hours CO station open to official correspondence exclusively CP station open to public correspondence CR station open to limited public correspondence CV station open exclusively to the correspondence of a private enterprise Re nondirectional radiobeacon RD directional radiobeacon RG radio direction-finding station RT rotating radiobeacon RV variable directional radio beacon Appendix 7. Service symbols. Ante, pp. 2497,2513.